Palindromic primes in bases 4 and 8.

Terms

a(0) =2a(1) =3a(2) =5a(3) =373a(4) =4289a(5) =6761a(6) =14891a(7) =15083a(8) =1311749a(9) =1313797a(10) =1444901a(11) =1530229a(12) =1531253a(13) =17480321a(14) =17563841a(15) =17730241a(16) =17734337a(17) =27263017a(18) =27533417a(19) =27957929a(20) =28053737a(21) =50339843a(22) =50506243a(23) =50856067a(24) =51122371a(25) =61254251